5. Why do cells need facilitated diffusion?

1 answer:

3 0

It is transported against the concentration gradient by a dependent glucose symporter which provides a driving force to other glucose molecules in the cells. Facilitated diffusion helps in the release of accumulated glucose into the extracellular space adjacent to the blood capillary.

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Atoms with a low ionization energy give up their outer valence electrons with ease true or false

umka2103 [35]

Answer: The given statement is true.

Explanation: Ionization energy is defined as the amount of energy required to remove an electron from the outermost shell of an isolated gaseous atom.

General equation of ionization energy is given by:

$X(g)\rightarrow X^+(g)+e^-$

If the outermost electron is loosely bound to the nucleus which means that the electron can be easily removed form an atom, it will require less amount of ionization energy.

And if the outermost electron is tightly bound to the nucleus which means that the electron cannot be removed easily from an atom. And hence, it will require more ionization energy.

Hence, the given statement is true.

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3 years ago

The process of meiosis increases genetic variation when genetic information is exchanged during crossing-over and when alleles a

postnew [5]

The correct answer is random fertilization.
Together with crossing over and independent assortment, random fertilization represents the way by which sexually reproduction contributes to genetic variation. Random fertilization refers to the random event of fertilization when there is no way in knowing which sperm will fertilise which egg (64 trillion possible combinations of genes that can occur during fertilization). Any sperm cell from the male can fuse with any egg cell from the female.

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3 years ago

At the complete end of cellular respiration, how many molecules of ATP are produced?

Shkiper50 [21]

Hello! The answer to your question would be as followed:

A. 38 molecules of ATP are produced

The ATP yield during aerobic respiration isn't 36-38, but only about 30-32 ATP molecules/ 1 molecule of glucose.

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3 years ago

The hair colors of the members of a family are listed below.

HACTEHA [7]

The answer is 2.heredity